package com.gyw;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.InputStream;

@Component
public class OssUtil {
    //进行属性注入
    @Value("${aliyun.id}")
    private  String OSS_ACCESS_KEY_ID ;
    @Value("${aliyun.secret}")
    private  String OSS_ACCESS_KEY_SECRET;
    @Value("${aliyun.bucket-name}")
    private  String BUCKET_NAME;
    @Value("${aliyun.endpoint}")
    private String ENDPOINT ;

    //定义上传方法  objectName文件本身名  file用来接收
    public String upload(String objectName, InputStream file) throws Exception {
        //声明
        String url = "";
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(ENDPOINT, OSS_ACCESS_KEY_ID,OSS_ACCESS_KEY_SECRET);
        try {
            //存储
            ossClient.putObject(BUCKET_NAME, objectName,file);
            //返回阿里云中的文件地址，
            url = "https://"+BUCKET_NAME+"."+ENDPOINT+"/"+objectName;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }
}
